The word “docent” comes from the same Latin root as the word “doctor.” “Doctor,” of course, has come to be most associated with people who are practitioners of medicine, while “docent” has come to mean someone who serves as a guide, often in a museum or a zoo. But that original root? It means “to teach.” This week we’re going to be talking about the kinds of people who are good teachers — and the answers might be surprising.

This week on Undisciplined, we’re talking about the long-lost woolly rhinoceros, Vikings, smallpox, and innovations in playground equipment. With a list of subjects that diverse, you might have guessed that the monthly science news round-up is back – and it is.

If you are a frequent participant in a social media community, you know what it’s like when someone new comes along and just doesn’t seem to understand or care about the established rules. But our guest this week wanted to know what happens when newcomers join spaces where the rules aren’t just very well established, but also really toxic.

For decades, researchers assumed the monkeys depicted on a 3,500-year-old painting in Greece were from Africa, just across the Mediterranean. But recently a team of experts looked at these animals and said – wait a second, that’s not right at all – and that’s forced a lot of other scientists to reconsider what they know about the Bronze Age.

A lot of the Black Lives Matter movement has been framed in terms of policing. But even if we could fix the racial disparities that exist in use-of-force situations, we’d still be a far cry from a world in which every facet of our society operates as though Black lives truly matter. Take healthcare, for instance.

How long has coal burning been responsible for climate change? If right now you are trying to remember when the industrial revolution began, that’s a completely reasonable guess. But according to some recent research, it’s not even close. The correct answer, the researchers say, is 250 million years ago. How can that be?

Today on the program we’re talking about black holes — places in space where the pull of gravity is so strong that light can’t escape. But gravity is just one force at play in a black hole, and our guests say that if you want to understand black holes, gravity might not be the best place to start.

All across the world’s oceans, you can find creatures known as larvaceans – free-swimming invertebrates with a superpower, of sorts.

We all know that exercise is good for us — that’s sort of a given. But have you ever thought about whether one sort of exercise is better than others? Is cycling better than golf? Is golf better than baseball? Is running really the gold-standard for exercise that everyone thinks it is? Demographic sociologist Connor Sheehan thinks he’s got the answers — and they might surprise you.

As it was becoming clear that the United States was going to be one of the epicenters of the COVID-19 pandemic, I was asked to talk to a group of climate adaptation students about crisis communication — and I worried at first that I wouldn’t be able to draw lines between two very different crises. It turns out, though, that these crises have a lot in common.